阅读说明：本技术 一种用于地板打蜡机的失速限位保护装置 (Stall limiting protection device for floor waxing machine ) 是由 吴林 于 2020-11-18 设计创作，主要内容包括：本发明涉及家用电器的技术领域,且公开了一种用于地板打蜡机的失速限位保护装置,包括外壳,所述外壳的内部固定连接有线圈,外壳的内部固定连接有支撑壳,支撑壳的内部固定连接有半圆壳,半圆壳的内部设置有电流变体,半圆壳的内部固定连接有固定板,固定板的内侧活动连接有横移板,半圆壳的外部活动连接有四杆转盘,通过本装置所有结构之间的相互作用下,可以使得在转轴失速时及时对转轴进行减速并使其停止,而且可以及时的通过控制中枢控制驱动电源不再驱动转轴转动,并且可以及时通知操作者转轴已经失速的效果,更好地保护了操作者的生命财产安全,不会因转轴转速过高不易控制而误伤到操作者。(The invention relates to the technical field of household appliances, and discloses a stall limiting protection device for a floor waxing machine, which comprises a shell, the inside of the shell is fixedly connected with a coil, the inside of the shell is fixedly connected with a supporting shell, the inside of the supporting shell is fixedly connected with a semicircular shell, the inside of the semicircular shell is provided with an electrorheological body, the inside of the semicircular shell is fixedly connected with a fixed plate, the inner side of the fixed plate is movably connected with a transverse moving plate, the outside of the semicircular shell is movably connected with a four-rod turntable, under the interaction of all structures of the device, the rotating shaft can be decelerated and stopped in time when the rotating shaft stalls, and the driving power supply can be controlled by the control center in time not to drive the rotating shaft to rotate any more, and the stall warning device can timely inform an operator of the stalling effect of the rotating shaft, better protects the life and property safety of the operator, and can not accidentally injure the operator due to the fact that the rotating shaft is too high and is not easy to control.)

1. The utility model provides a spacing protection device of stall for floor waxing machine, includes shell (1), its characterized in that: the coil (2) is fixedly connected inside the shell (1), the supporting shell (3) is fixedly connected inside the shell (1), the semicircular shell (4) is fixedly connected inside the supporting shell (3), the current variant (5) is arranged inside the semicircular shell (4), the fixing plate (6) is fixedly connected inside the semicircular shell (4), the transverse moving plate (7) is movably connected on the inner side of the fixing plate (6), the four-rod turntable (8) is movably connected outside the semicircular shell (4), the deflector rod (9) is fixedly connected outside the four-rod turntable (8), the limiting shell (10) is movably connected inside the supporting shell (3), the blocking component (11) is movably connected outside the limiting shell (10), the connecting shell (12) is fixedly connected inside the limiting shell (10), the electromagnet (13) is fixedly connected inside the connecting shell (12), and the rotating shaft (14) is movably connected inside the limiting shell (10), the inner fixed connection of the rotating shaft (14) is provided with a conductor (15), the inner fixed connection of the rotating shaft (14) is provided with a box body (16), the inner movable connection of the box body (16) is provided with an expansion spring (17), the outer movable connection of the expansion spring (17) is provided with a movable block (18), and the inner movable connection of the box body (16) is provided with a buckle assembly (19).

2. The stall limit protection device for a floor waxing machine as claimed in claim 1, wherein: the surface of the supporting shell (3) is provided with a semicircular hole, the semicircular shell (4) is fixedly connected to the inner side of the semicircular hole, main materials of the current variant (5) are gypsum, lime, carbon powder and olive oil, the current variant (5) is solid under the power-on state with a specified current amount, the current variant (5) is liquid under the non-power-on state, the current variant (5) occupies three quarters of the inner space of the semicircular shell (4), two conductive columns are fixedly connected to the inner part of each semicircular shell (4), and the conductive columns are movably connected to the inner part of the current variant (5).

3. The stall limit protection device for a floor waxing machine as claimed in claim 1, wherein: the spout has been seted up on the surface of fixed plate (6), and sideslip board (7) swing joint is in the inboard of spout, and the outside fixedly connected with of driving lever (9) dials the piece, and the half slot has been seted up on the surface of sideslip board (7), dials piece swing joint in the inboard of half slot, and fixed plate (6), sideslip board (7), the equal swing joint of driving lever (9) are in the inside of current variant (5).

4. The stall limit protection device for a floor waxing machine as claimed in claim 1, wherein: the short groove has been seted up on the surface of spacing shell (10), it mainly comprises connecting block, activity spring, coupling spring, clutch blocks to block subassembly (11), every blocks has two connecting blocks and two activity springs in subassembly (11), the equal swing joint of two connecting blocks is in the inboard of short groove, activity spring's one end swing joint is in the outside of connecting block, activity spring's other end swing joint is in the outside of clutch blocks, coupling spring's both ends difference swing joint is in the outside of two connecting blocks, clutch blocks swing joint is in the outside of connecting block.

5. The stall limit protection device for a floor waxing machine as claimed in claim 1, wherein: the mounting hole has been seted up to the inside of spacing shell (10), connects shell (12) fixed connection in the inboard of mounting hole, and six are no less than in the quantity of mounting hole, and the equal angularly even distribution of all mounting holes is in the inside of spacing shell (10), and the specification phase-match of connecting shell (12) and box (16) and position are corresponding, and the inside of connecting shell (12) is provided with the contact.

6. The stall limit protection device for a floor waxing machine as claimed in claim 1, wherein: the buckle components (19) mainly comprise a support, two short springs, a movable shell, two contact blocks, two rotating balls and a short rod, wherein the support is fixedly connected with the inner side of the box body (16), the short rod is fixedly connected with the outer part of the support, one ends of the two short springs are movably connected with the outer part of the support, the other ends of the two short springs are movably connected with the inner side of the movable shell, the movable shell is movably connected with the outer part of the short rod, the two contact blocks are fixedly connected with the outer part of the movable shell, the two rotating balls are respectively movably connected with the outer parts of the two contact blocks, a square hole is formed in the box body (16), the support is fixedly connected with the inner part of the square hole, two buckle components (19) are arranged in each box body (16), the two buckle components (19) are symmetrically distributed on the inner side of the box body (16), and the inner part of each box body, two expanding spring (17) all swing joint in the outside of movable block (18), the outside fixedly connected with iron plate of movable block (18), the notch has been seted up on the surface of movable block (18), the specification of notch and the specification phase-match of contact piece.

7. The stall limit protection device for a floor waxing machine as claimed in claim 1, wherein: the rotating shaft (14) is electrically connected with the driving power supply, the conductor (15) is electrically connected with the conductive column, the coil (2) and the electromagnet (13) are electrically connected with the external power supply, the contact, the driving power supply and the external power supply are electrically connected with the control center, the control center is electrically connected with the signal receiver, and the signal receiver is electrically connected with the remote control end through signals.

Technical Field

The invention relates to the technical field of household appliances, in particular to a stall limiting protection device for a floor waxing machine.

Background

The floor waxing machine drives the brush disc to polish the floor and the smooth floor by electric power, because more and more people live in the building at present, most people can fully lay the floor in the room, but after the wooden floor is used for a long time, the wax on the surface is rubbed off, and the internal wood structure is damaged if the wax is used continuously, and after the wax structure is worn, the waterproof and moistureproof performance of the wooden floor is greatly reduced, so the service life of the wooden floor is shortened, at the moment, people need to polish and wax the wooden surface by adopting a floor waxing machine, the floor waxing machine rubs the floor surface by high-speed rotation, but if the floor waxing machine stalls when being subjected to external factors, the floor waxing machine is easy to damage the floor, and if the floor waxing machine is not controlled during the stalling process, the operator is easily hurt.

Therefore, in response to these problems, a stall limit protection device for a floor waxing machine is needed.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a stall limiting protection device for a floor waxing machine, which has the advantages that when a rotating shaft stalls, the rotating shaft is decelerated in time until the rotating shaft stops, and when the rotating shaft stalls, a driving power supply can be controlled by a control center in time to stop driving the rotating shaft, an operator can be informed that the rotating shaft stalls in time, and the problems that when the rotating shaft stalls, the rotating speed is too high, the floor is easily damaged, and when the rotating shaft stalls, the rotating shaft is uncontrollable and easily harms the operator are solved.

(II) technical scheme

In order to realize the purposes that the rotating shaft can be timely decelerated until the rotating shaft stops when the rotating shaft stalls, the driving power supply can be timely controlled by the control center to stop driving the rotating shaft and the rotating shaft can be timely informed to an operator that the rotating shaft stalls, the invention provides the following technical scheme: a stall limiting protection device for a floor waxing machine comprises a shell, wherein a coil is fixedly connected inside the shell, a supporting shell is fixedly connected inside the shell, a semicircular shell is fixedly connected inside the supporting shell, an electrorheological body is arranged inside the semicircular shell, a fixing plate is fixedly connected inside the semicircular shell, a transverse moving plate is movably connected on the inner side of the fixing plate, a four-rod turntable is movably connected outside the semicircular shell, a shifting rod is fixedly connected outside the four-rod turntable, a limiting shell is movably connected inside the supporting shell, a blocking assembly is movably connected outside the limiting shell, a connecting shell is fixedly connected inside the limiting shell, an electromagnet is fixedly connected inside the connecting shell, a rotating shaft is movably connected inside the limiting shell, a conductor is fixedly connected inside the rotating shaft, a box body is fixedly connected inside the rotating shaft, and a telescopic spring is movably connected inside the box body, the outside swing joint of expanding spring has the movable block, and the inside swing joint of box has buckle subassembly.

Preferably, the surface of the supporting shell is provided with a semicircular hole, the semicircular shell is fixedly connected to the inner side of the semicircular hole, the main materials of the electrorheological body are gypsum, lime, carbon powder and olive oil, the electrorheological body is solid in an electrified state with a specified current amount and liquid in a non-electrified state, the electrorheological body occupies three quarters of the inner space of the semicircular shell, two conductive columns are fixedly connected to the inner part of each semicircular shell, and the conductive columns are movably connected to the inner part of the electrorheological body.

Preferably, the sliding groove is formed in the surface of the fixing plate, the transverse moving plate is movably connected to the inner side of the sliding groove, the poking block is fixedly connected to the outer portion of the poking rod, the semicircular groove is formed in the surface of the transverse moving plate, the poking block is movably connected to the inner side of the semicircular groove, and the fixing plate, the transverse moving plate and the poking rod are movably connected to the inner portion of the current transformer.

Preferably, the short groove has been seted up on the surface of spacing shell, blocks that the subassembly mainly comprises connecting block, activity spring, coupling spring, clutch blocks, every has two connecting blocks and two activity springs in blockking the subassembly, the equal swing joint of two connecting blocks is in the inboard of short groove, activity spring's one end swing joint is in the outside of connecting block, activity spring's other end swing joint is in the outside of clutch blocks, coupling spring's both ends difference swing joint is in the outside of two connecting blocks, clutch blocks swing joint is in the outside of connecting block.

Preferably, the mounting hole has been seted up to the inside of spacing shell, connects shell fixed connection in the inboard of mounting hole, and six are no less than in the quantity of mounting hole, and the even distribution of angle such as all mounting holes is in the inside of spacing shell, and the specification of connecting the shell and the specification phase-match of box and position are corresponding, and the inside of connecting the shell is provided with the contact.

Preferably, the buckle assembly mainly comprises a support, two short springs, a movable shell, two contact blocks, two rotating balls and a short rod, wherein the support is fixedly connected with the inner side of the box body, the short rod is fixedly connected with the outer part of the support, one ends of the two short springs are movably connected with the outer part of the support, the other ends of the two short springs are movably connected with the inner side of the movable shell, the movable shell is movably connected with the outer part of the short rod, the two contact blocks are fixedly connected with the outer part of the movable shell, the two rotating balls are respectively movably connected with the outer parts of the two contact blocks, a square hole is formed in the box body, the support is fixedly connected with the inner part of the square hole, two buckle assemblies are arranged in each box body, the two buckle assemblies are symmetrically distributed on the inner side of the box body, the inner part of each box body is movably connected with two, the outside fixedly connected with iron plate of movable block, the notch has been seted up on the surface of movable block, and the specification of notch and the specification phase-match of contact piece.

Preferably, the rotating shaft is electrically connected with the driving power supply, the conductor is electrically connected with the conductive column, the coil and the electromagnet are electrically connected with the external power supply, the contact, the driving power supply and the external power supply are electrically connected with the control center, the control center is electrically connected with the signal receiver, and the signal receiver is electrically connected with the remote control end through signals.

Preferably, the coil has a current inside, the coil generates a magnetic field after being electrified, the coil has a magnetic induction line inside, the conductor moves inside to cut the magnetic induction line to generate an induction current, and the electromagnet generates a magnetic adsorption iron block after being electrified.

(III) advantageous effects

Compared with the prior art, the invention provides a stall limiting protection device for a floor waxing machine, which has the following beneficial effects:

1. this a stall limiting protection device for floor waxing machine, through the coil, support shell, semicircle shell, current variant, fixed plate, sideslip board, four-bar turntable, under the interact between the driving lever, can make the pivot can be timely after the stall make the pivot slow down until the stall gradually through four-bar turntable to reach timely when the pivot stall slow down it until stopping, prevented that the pivot rotational speed is too fast and then caused destruction to the floor surface when the stall.

2. This a stall limit protection device for floor waxing machine, through the interact between all structures of this device, can be so that in time slow down the pivot and make it stop when the pivot stall, and can be timely no longer drive the pivot rotation through control pivot control drive power supply, and can in time inform the effect that the operator pivot has the stall, protect operator's the security of the lives and property better, can not injure the operator by mistake because of the too high wayward of pivot rotational speed.

Drawings

FIG. 1 is a schematic view of the present invention in partial cross section;

FIG. 2 is a schematic structural diagram illustrating a connection relationship between some of the structures shown in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the structure of FIG. 2 at A according to the present invention;

FIG. 4 is a schematic view of the structure of FIG. 2 at B in accordance with the present invention;

FIG. 5 is a schematic view showing the connection structure of the semicircular shell, the current transformer, the fixing plate, the traverse plate and the shift lever according to the present invention;

FIG. 6 is a schematic view of the connection structure of the semicircular shell, the current transformer, the fixing plate and the four-bar turntable;

FIG. 7 is a schematic structural view of the connection relationship among the box body, the extension spring, the movable block and the buckle assembly according to the present invention;

FIG. 8 is a schematic view of the structure of FIG. 7 at C according to the present invention.

In the figure: 1. a housing; 2. a coil; 3. a support housing; 4. a semi-circular shell; 5. an electrorheological fluid; 6. a fixing plate; 7. transversely moving the plate; 8. a four-bar turntable; 9. a deflector rod; 10. a limiting shell; 11. a blocking component; 12. a connecting shell; 13. an electromagnet; 14. a rotating shaft; 15. a conductor; 16. a box body; 17. a tension spring; 18. a movable block; 19. a buckle assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, a stall limiting protection device for a floor waxing machine includes a housing 1, a coil 2 is fixedly connected to the inside of the housing 1, a supporting shell 3 is fixedly connected to the inside of the housing 1, a semicircular shell 4 is fixedly connected to the inside of the supporting shell 3, an electric current variant 5 is arranged inside the semicircular shell 4, a semicircular hole is formed in the surface of the supporting shell 3, the semicircular shell 4 is fixedly connected to the inner side of the semicircular hole, the electric current variant 5 is mainly made of gypsum, lime, carbon powder and olive oil, the electric current variant 5 is solid in an electrified state with a specified current amount, and is liquid in a non-electrified state, the electric current variant 5 occupies three quarters of the inner space of the semicircular shell 4, two conductive columns are fixedly connected to the inside of each semicircular shell 4, and the conductive columns are movably connected to the inside of the electric current variant 5.

The inside fixedly connected with fixed plate 6 of semicircle shell 4, the inboard swing joint of fixed plate 6 has sideslip board 7, the outside swing joint of semicircle shell 4 has four-bar turntable 8, four-bar turntable 8's outside fixedly connected with driving lever 9, the spout has been seted up on the surface of fixed plate 6, sideslip board 7 swing joint is in the inboard of spout, the outside fixedly connected with of driving lever 9 dials the piece, the half slot has been seted up on the surface of sideslip board 7, dial piece swing joint in the inboard of half slot, fixed plate 6, sideslip board 7, the equal swing joint of driving lever 9 is in the inside of current variant 5.

Supporting shell 3's inside swing joint has spacing shell 10, the outside swing joint of spacing shell 10 has blocks subassembly 11, the short groove has been seted up on the surface of spacing shell 10, it mainly is by the connecting block to block subassembly 11, the floating spring, coupling spring, the clutch blocks constitute, every has two connecting blocks and two floating springs in blockking subassembly 11, the equal swing joint of two connecting blocks is in the inboard of short groove, floating spring's one end swing joint is in the outside of connecting block, floating spring's other end swing joint is in the outside of clutch blocks, the both ends difference swing joint of coupling spring is in the outside of two connecting blocks, clutch blocks swing joint is in the outside of connecting block.

Shell 12 is connected to the inside fixedly connected with of spacing shell 10, the mounting hole has been seted up to the inside of spacing shell 10, connecting shell 12 fixed connection is in the inboard of mounting hole, six are no less than in the quantity of mounting hole, the even distribution of angles such as all mounting holes is in the inside of spacing shell 10, the specification of connecting shell 12 and the specification phase-match of box 16 and position are corresponding, the inside of connecting shell 12 is provided with the contact, the inside fixedly connected with electro-magnet 13 of connecting shell 12, the inside swing joint of spacing shell 10 has pivot 14.

Through the coil 2, the supporting shell 3, the semicircular shell 4, the electrorheological body 5, the fixed plate 6, the traverse plate 7, the four-bar turntable 8 and the deflector rod 9, the rotating shaft 14 can be timely decelerated gradually until stopping rotation through the four-bar turntable 8 after stalling, so that the rotating shaft 14 can be timely decelerated until stopping rotation when stalling, the rotating shaft 14 is prevented from being decelerated until stopping when stalling, the rotating shaft 14 is prevented from being damaged on the surface of a floor due to too high rotating speed when stalling, the conductor 15 is fixedly connected inside the rotating shaft 14, current is arranged inside the coil 2, a magnetic field can be generated after the coil 2 is electrified, a magnetic induction line exists inside the coil 2, the conductor 15 can cut the magnetic induction line to generate induction current when moving inside the conductor 15, and the electromagnet 13 can generate a magnetic adsorption iron block after being electrified.

The inside fixedly connected with box 16 of pivot 14, the inside swing joint of box 16 has expanding spring 17, the outside swing joint of expanding spring 17 has movable block 18, the inside swing joint of box 16 has buckle subassembly 19, buckle subassembly 19 mainly comprises support, two short springs, the movable shell, two contact blocks, two rolling balls, the quarter butt, the inboard of support fixedly connected with box 16, the quarter butt is fixedly connected with the outside of support, the one end of two short springs all swing joint is in the outside of support, the other end of two short springs all swing joint is in the inboard of movable shell, movable shell swing joint is in the outside of quarter butt, two contact blocks fixedly connected with the outside of movable shell, two rolling balls respectively swing joint are in the outside of two contact blocks, the square hole has been seted up to the inside of box 16, the support fixed connection is in the inside of square hole, there are two buckle subassemblies 19 in the inside of every box 16, two buckle subassemblies 19 are the symmetric distribution in the inboard of box 16, and the inside swing joint of every box 16 has two expanding spring 17, and two equal swing joint of expanding spring 17 are in the outside of movable block 18, and the outside fixedly connected with iron plate of movable block 18, notch has been seted up on the surface of movable block 18, and the specification of notch and the specification phase-match of contact piece.

The pivot 14 is connected with drive power supply electricity, conductor 15 is connected with electrically conductive post, coil 2, electro-magnet 13 all is connected with external power supply electricity, the contact, drive power supply, external power supply all is connected with control center electricity, control center is connected with signal receiver electricity, signal receiver and remote control end electric signal connection, under the interact between all structures of this device, can make in time slow down and make it stop pivot 14 when pivot 14 stall, and can be timely no longer drive pivot 14 rotation through control center control drive power supply, and can in time inform the effect that operator pivot 14 has stalled, operator's security of the lives and property has been protected better, can not injure the operator by mistake because of the too high wayward of pivot 14 rotational speed.

The device starts to be started, an operator controls a driving power supply to drive a rotating shaft 14 to rotate through a control center, the control center controls an external power supply to electrify a coil 2, the rotating shaft 14 stalls under the influence of external factors, at the moment, the rotating shaft 14 rotates to drive a conductor 15 to move, the conductor 15 moves to cut a magnetic induction line generated by the coil 2, at the moment, the conductor 15 generates induction current, the rotating shaft 14 stalls and rotates to drive a box body 16 to move, the box body 16 moves to drive a telescopic spring 17 to move, at the moment, the centrifugal force borne by a movable block 18 is larger than the elastic force of the telescopic spring 17, at the moment, the movable block 18 is thrown out under the action of the centrifugal force, at the moment, the movable block 18 touches a contact block, the contact block moves to drive a movable shell to move, the movable shell moves to compress a short spring to move to a support under the action of a short rod and a, the electromagnet 13 is electrified to generate a magnetic adsorption iron block, at the moment, the contact is always triggered, the circuit is conducted, meanwhile, the control center controls the driving power supply not to drive the rotating shaft 14 any more, and the control center sends a signal to the remote control end through the signal receiver to remind people that the rotating shaft 14 stalls.

Since the movable block 18 is thrown out and connected with the connecting shell 12, the rotation shaft 14 rotates to drive the limiting shell 10 to rotate, the limiting shell 10 rotates to drive the blocking component 11 to rotate, the four-bar turntable 8 can rotate under the action of the friction block, the four-bar turntable 8 drives the shift lever 9 to rotate, the shift lever 9 rotates to drive the transverse moving plate 7 to move under the action of the semicircular groove, the shift block and the sliding groove, at this time, because the circuit is conducted, the current in the conductor 15 flows into the current variant 5 through the conductive column, the current variant 5 changes from liquid state to solid state under the action of the current, at this time, the shift lever 9 and the traverse plate 7 cannot move, so that the four-bar rotating disc 8 can not move, at the moment, the four-bar rotating disc 8 is contacted with the friction block, the friction block moves to compress the extension spring to drive the connecting block to move in the short groove, the rotating shaft 14 is gradually decelerated until stopping under the action of the four-bar rotating disc 8 and the friction block.

When the rotating shaft 14 normally rotates, the centrifugal force applied to the movable block 18 is smaller than the elastic force of the extension spring 17, the blocking component 11 cannot contact with the four-bar turntable 8 and cannot block the rotation of the rotating shaft 14, and the rotating shaft 14 normally rotates.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.